1345226655 has 32 divisors (see below), whose sum is σ = 2198016000. Its totient is φ = 702299520.

The previous prime is 1345226651. The next prime is 1345226669. The reversal of 1345226655 is 5566225431.

1345226655 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1345226655 - 2² = 1345226651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345226651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395010 + ... + 398400.

It is an arithmetic number, because the mean of its divisors is an integer number (68688000).

Almost surely, 2^1345226655 is an apocalyptic number.

1345226655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1345226655 is a deficient number, since it is larger than the sum of its proper divisors (852789345).

1345226655 is a wasteful number, since it uses less digits than its factorization.

1345226655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951.

The product of its digits is 216000, while the sum is 39.

The square root of 1345226655 is about 36677.3316232247. The cubic root of 1345226655 is about 1103.9053073647.

The spelling of 1345226655 in words is "one billion, three hundred forty-five million, two hundred twenty-six thousand, six hundred fifty-five".